Cribbing



April 9, 1935. 5, w POWERS 1,996,774

CRIBBING Filed Aug. 23, 1930 George .Povhqy BY A TTORXE L5.

Patented Apr. 9, 1935 i r i i i UNITED TATES 4 15996.774 3 BI George W. Powers, Cleveland, Ohio, ass ignor, by mesneassignments, of one-i-half, to Lena Shimelr Application August '23, letlt serrali ndflame v v 7 Claims; (ci ia-47y This invention relates to the artof cribbing. be appliediornerinanent connection between the The general object is to devise a formof cribparts, or, ifso desired; tneym n p only tem bing in which the stretcherand header members porarily set in pl'aceso as to permit disassemmay be constructed of metal so as to facilitate bly and remove. or thecribbingstr ucture, should the handling and interengagement of the; same, it be so desired A as well as toprolong-their period of usefulness. .A otherformof cribbing structurecomprises Mor e. specifically, .the object of the present the hollow stretcher and header membersfshown form of invention is to devise a cribbing struc- .in Figs. igand 7, respectively. In thi s'case the ture in which the overlapping portions of the .stretcher and header members are alliormed of stretcher and header members are formed with sheet metal of 'Subs'taht a Y h hg ilh fih p f 0 g registering" bolt holes for the reception .ofibolts which the overlappingedge portionsgof the sheet to secure the parts in assembly. metal are welded together prior to the galvaniz- A still further object: consists indevising such .ing process; These stretcher and headerfmema structure in which the headerimembers may be h s e s uredito ether by m ans of 19 J 15 formed of I-beams whilethe stretcher members either perm n t ra yywhi h extend may be formed ofchannel irons together with through registering holesp-rovided inmtheoversuitable means ofinterconnecti'on therebetween. ltlppihgv PQ Q he b i Another objectconsists in devising such a crib-. Stance, th stretcher-member 4, has h e bing structure in which .there are .employedlhol 4a Which a ed for registration- Wi V low metal stretcher and header members secured A the bolt holes 5 of the headermember 5. 1311 .20

fl therby means or bolts extending through stretcher m m rs heve th r adiaee tends arregistering holes provided in the overlapping. ranged-in abutting relation and are'sta portions thereof. g "with respecttothe overlapping end portions of Other objects will a pear famine followin the ad m e sp end flt description and claims -;when-considered in confi jhj ahdf h m fmh kbee e 25 nection with the accompanying drawing. a d fi d by meansof 1 3 hlsrti Fig. 1 is a diagrammatic front elevation of an 6 of concrete, metal, or other suitable material assembled cribbing structure; Fig. 2 is a partial t better Withstand t e l dat is po a d to detail view of the form or connection between ex u e natural elements from e inside the I-beam stretcher members and the channel f- These inserts Will 5 be P 'OV d 30 form of header members; Fig. 3 is a perspective registering bolt holes according to the location, view of one of the chann l h d members; of the bolt holes in the stretcher and header Fig. 4 is an elevation of an I-beam heade mmembers. The general arrangement of the ber with a cap applied to the end thereof; Fig members of this particular form 'is illustrated 5 is a cross-section of one of the header memdiagrammatically inF 0. r 35 bers shown in Fig. 4; Fig. 6 is a perspective view Instead- Of the I-beamS ay b bst of a rectangular hollow form of stretcher memtilted the double a l form i at d in her; Fig. 7 is a similar formof headermember; Figs- 9 and in h e ta ha el Figs. 8, '9 and 12 are fragmentary detail views. me bers re a an ed back to back a d the of another modified form of cribbing structure; vertical flange 8 of. the cap member 9 inserted 40 Fig. 10 is a sectional view of the cribbing struc-- between the backs of the channel members. ture embodying the form of stretchers and'head- These parts are Secured together by ea s 0 ers shown in Figs. 6 and 7; and Fig. 11 shows b01115 3a Which eXteIld through registering es another modification. in the flange 8 and the overlying portions of the The header members in one form of the preschannel members 1'. The .cap member 9 serves 45 ent case are disclosed as I-beams l upon which as a .closure for the end of the headermember' are placed the cap members 2 over the ends and at the. same time serves to connect together thereof. The stretcher members are shown in and. strengthen the companion channel members the form of channel irons 3 which have their top which together .form the header member in each and bottom flanges bolted to the corresponding e se, Th sam -form of stretche member may 50 flanges of the header members. These bolts l5 be employed as shown in Fig. 3. The enlarged extend also through the corresponding portions cap heads-engage the stretcher members. of the cap members 2, and the ends of the Fig. 11 shows. another modification in which stretcher members may abut in staggered arthe plug 20 in theend of the hollow header memrangement, as indicated. These bolts I5 may. ber has a slit 2! to receive the flanged cap mem- 55 t eegth ber 21" which is practically the same form of cap as that indicated by reference numeral 9Q The flange IU of the cap member extendsinto V the slit of the plug 20 andjaebolt 23 or bolts extend through registering holes in the header member, the plug and the flange of the cap mem-' ber. Thus, all of these, parts are secured together. The head ll: of the 'cap'member issomewhat larger than -the end of the header member so as to provide means of interlocking engagement fiitlithe's tretcher members.

My header and stretcher; members and ether.

means for securing the same together are of a comparatively simple, construction and yet 'they possessincreased efliciency-and convenienceqin en-members having-top and bottomfflanges, said 15' ingttheir' fianges in overlapping relation; "giy enalf ap'menieer lfor j-theoverlapping -'end "portions of-fsai d heafder*'-men1b'ers; said evena f meme rem themm 6r ameters; said, mem 1-'bershavingtheirf flanges in overlapping*relation,

' 7 rectangular cap members for the 'overlapping'end portions of said header members, said overlapping fiange portions having registering bolt holes extendingtherethrough, and removable bolts extending through said holes for, securing the mem-, bers in assembly. V 3. A cribbing structure comprising header members having top and bottom flanges, stretcher members having top'and bottom flanges, said membershaving their flangesin overlapping rel 'ettion, cap memb'ers associated with the overlapping end portions of said header members, and means for securing the members in assembly. 4. A cribbing structure comprising header members having top and bottom flanges, stretchmenebers havingtheirflanges in overlapping re lation, cap members associated with the overlapping' end portions of said header members,

said overlapping flange portions having registerv ing holes therethrough and means extending ctu'res her'ein e n-men sai'd -holes forsecuring' 'the members in "ass e 'bly'." g f cribbings'tructure comprising metal headf'er members in thei form f-of i beams, metal -'strtcher hierribersfifithe' formo'f channels, said 7merriber'shavingthe1r flanges overlapping and *paralleli-r1ation; anli means *for securing {the "ov'erlap'pingj'flangesin assembly;

6 Inacribbingstructure, a header member tral member of-the fisectionbeing clamped bet-ween' the backs :of the channelsand the lateral erving' t'o fclfose "the Q 7. A cribbing structure;comprising-metal head- I M I H a V H H ers'irithe formdfFl beams;metal'stretchersinthe 'ping flange" portions -hav-i'ng' registering holes through and 'securing membersextendin'g'through id holes and through the bottom flange of one ineinbewahdthe top-*flange 6f the adjacent memher to secure the contiguous members together. 

